mail.rrflow.com.br - robtex.com

mail.rrflow.com.br

DNSSEC⚠️ Not signed
A2804:ff4:bebe:cada:186:250:168:57🇧🇷 UNSPECIFIED2804:ff4:8000::/33 Speedservice Telecomunicacoes LTDA (AS53218)
PTRhosting.remontti.com.br
A186.250.168.57🇧🇷 UNSPECIFIED186.250.168.0/24 Speedservice Telecomunicacoes LTDA (AS53218)

rrflow.com.br

DNSSEC🔒 Signed (DS record present)
A2804:ff4:bebe:cada:186:250:168:57🇧🇷 UNSPECIFIED2804:ff4:8000::/33 Speedservice Telecomunicacoes LTDA (AS53218)
A186.250.168.57🇧🇷 UNSPECIFIED186.250.168.0/24 Speedservice Telecomunicacoes LTDA (AS53218)
NSns1.remontti.com.br ⭐
NSns1.rrflow.com.br
NSns2.rrflow.com.br
MXmail.rrflow.com.br ⭐
TXTv=spf1 a mx ip4:186.250.168.57 ~all
SOAns1.remontti.com.brroot@rrflow.com.br 2026-02-08 #79

MX for

rrflow.com.br

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DNS History

2 records (2 active, 0 former)

A186.250.168.572804:ff4:bebe:cada:186:250:168:57
●A186.250.168.572026-03-26 → 2026-05-15 · 2 obs
● 2026-03-26 16:29:10
● 2026-05-15 08:17:14
●A2804:ff4:bebe:cada:186:250:168:572026-03-26 → 2026-05-15 · 2 obs
● 2026-03-26 16:29:10
● 2026-05-15 08:17:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
rrflow.com.brns1.rrflow.com.br, ns2.rrflow.com.br4 records

✅ Authoritative Response

Server:186.250.168.57

NS records: ns1.rrflow.com.br, ns2.rrflow.com.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 829ms | Queries: -

📄 Records

TypeCountSample Data
A1186.250.168.57
AAAA12804:ff4:bebe:cada:186:250:168:57

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.rrflow.com.br, ns2.rrflow.com.br, ns1.rrflow.com.br...)

Analysis

Mail Server Role

mail.rrflow.com.br serves as the mail server for rrflow.com.br.

IP Addresses

mail.rrflow.com.br resolves to two IP numbers: 2804:ff4:bebe:cada:186:250:168:57 and 186.250.168.57.

Other host names, for instance ns2.cursodns.com.br, remontti.com.br, cursodns.com.br, www.remontti.com.br and mail.remontti.com.br share IP numbers with mail.rrflow.com.br.